\documentclass[11pt]{article} 

\usepackage{geometry,amsmath,amssymb,datetime,color,everypage,lastpage,multirow,textpos,nicefrac,setspace,tikz} 

\usetikzlibrary{calc,arrows,automata,shapes.misc,shapes.arrows,chains,matrix,positioning,scopes,decorations.pathmorphing,shadows} 

\usepackage[active,tightpage]{preview} 

\PreviewEnvironment{tikzpicture} 

\setlength\PreviewBorder{2mm} 

\begin{document} 

\begin{tikzpicture} 
\node [text width=4cm ,rotate=0,align=center] at (-4,-1.25) {\normalsize \bf Gains}; 
\node [text width=4cm,anchor=mid ,rotate=0,align=center] at (0,0) {\normalsize \bf Baseline}; 
\node [text width=1cm ,rotate=0,align=center] at (0,-1.075) {\normalsize 4.04}; 
\node [text width=1cm ,rotate=0,align=center] at (0,-1.425) {\footnotesize (0.414)}; 
\node [text width=1cm ,rotate=-90,color=black,align=center] at (0,-1.875) {\scriptsize$ \sim $}; 
\node [text width=1cm ,color=black,align=center] at (2.0,-1.25) {\scriptsize$ \lll $}; 
\node [text width=4cm,anchor=mid ,rotate=0,align=center] at (4,0) {\normalsize \bf Breakthrough}; 
\node [text width=1cm ,rotate=0,align=center] at (4,-1.075) {\normalsize 7.32}; 
\node [text width=1cm ,rotate=0,align=center] at (4,-1.425) {\footnotesize (0.674)}; 
\node [text width=1cm ,rotate=-90,color=black,align=center] at (4,-1.875) {\scriptsize$ \ll $}; 
\node [text width=4cm ,rotate=0,align=center] at (-4,-2.5) {\normalsize \bf Losses}; 
\node [text width=1cm ,rotate=0,align=center] at (0,-2.325) {\normalsize 5.38}; 
\node [text width=1cm ,rotate=0,align=center] at (0,-2.675) {\footnotesize (0.762)}; 
\node [text width=1cm ,color=black,align=center] at (2.0,-2.5) {\scriptsize$ \lll $}; 
\node [text width=1cm ,rotate=0,align=center] at (4,-2.325) {\normalsize 10.83}; 
\node [text width=1cm ,rotate=0,align=center] at (4,-2.675) {\footnotesize (1.382)}; 

\end{tikzpicture}

\end{document}